Add arm64 CI job

Author: kotlarmilos

eng/pipelines/runtimelab.yml

@@ -49,16 +49,33 @@ stages:
 - stage: build
   displayName: Build
   jobs:
-  - template: /eng/pipelines/templates/build-job.yml
-    parameters:
-      osGroup: OSX
-      archType: x64
-      ${{ if and(ne(variables['System.TeamProject'], 'public'), notin(variables['Build.Reason'], 'PullRequest')) }}:
+  - ${{ if and(ne(variables['System.TeamProject'], 'public'), notin(variables['Build.Reason'], 'PullRequest')) }}:
+    - template: /eng/pipelines/templates/build-job.yml
+      parameters:
+        osGroup: OSX
+        archType: x64
         isOfficialBuild: true
         runTests: false
         pool:
           vmImage: 'macOS-latest'
 
+  - ${{ if or(eq(variables['System.TeamProject'], 'public'), in(variables['Build.Reason'], 'PullRequest')) }}:
+    - template: /eng/pipelines/templates/build-job.yml
+      parameters:
+        osGroup: OSX
+        archType: arm64
+        runTests: true
+        pool:
+          vmImage: 'macOS-latest'
+
+    - template: /eng/pipelines/templates/build-job.yml
+      parameters:
+        osGroup: OSX
+        archType: x64
+        runTests: true
+        pool:
+          vmImage: 'macOS-latest'
+
 # Publish and validation steps. Only run in official builds
 - ${{ if and(ne(variables['System.TeamProject'], 'public'), notin(variables['Build.Reason'], 'PullRequest')) }}:
   - template: \eng\common\templates\post-build\post-build.yml